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zehrasva
@zehrasva
June 2022
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1/3(x-y)=4
1/4(x+y)=2
найдите xy
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Answers & Comments
Gendalf1234
Х-у=4:1/3 х+у=2:1/4
х-у=12 х+у=8
х-у+х+у=12+8
2х=20
х=10
соответсвенно у=-2
10*(-2)=-20
12 votes
Thanks 10
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Answers & Comments
х-у=12 х+у=8
х-у+х+у=12+8
2х=20
х=10
соответсвенно у=-2
10*(-2)=-20